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| author | Marc Zyngier <marc.zyngier@arm.com> | 2016-06-30 18:40:37 +0100 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2016-07-03 23:41:27 +0200 |
| commit | fd16fe6820ede711c6e6950ffebdbc8ade5d05b3 (patch) | |
| tree | c4f9690d8b4f1323933bbc3df98ad51b1c2dcf0b | |
| parent | 3f0f8830d440e3edf5580424519a7c3434891c64 (diff) | |
| download | linux-fd16fe6820ede711c6e6950ffebdbc8ade5d05b3.tar.bz2 | |
arm64: KVM: Kill HYP_PAGE_OFFSET
HYP_PAGE_OFFSET is not massively useful. And the way we use it
in KERN_HYP_VA is inconsistent with the equivalent operation in
EL2, where we use a mask instead.
Let's replace the uses of HYP_PAGE_OFFSET with HYP_PAGE_OFFSET_MASK,
and get rid of the pointless macro.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
| -rw-r--r-- | arch/arm64/include/asm/kvm_mmu.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index 6149dfc2c012..2f1e1aec5ecb 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -70,7 +70,6 @@ */ #define HYP_PAGE_OFFSET_SHIFT VA_BITS #define HYP_PAGE_OFFSET_MASK ((UL(1) << HYP_PAGE_OFFSET_SHIFT) - 1) -#define HYP_PAGE_OFFSET (PAGE_OFFSET & HYP_PAGE_OFFSET_MASK) /* * Our virtual mapping for the idmap-ed MMU-enable code. Must be @@ -104,7 +103,7 @@ alternative_endif #include <asm/mmu_context.h> #include <asm/pgtable.h> -#define KERN_TO_HYP(kva) ((unsigned long)kva - PAGE_OFFSET + HYP_PAGE_OFFSET) +#define KERN_TO_HYP(kva) ((unsigned long)kva & HYP_PAGE_OFFSET_MASK) /* * We currently only support a 40bit IPA. |